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Email Validation Has Three Right Answers, Not Two

This story is from 2026-10-01. It is preserved in the archive; the latest stories are on the live feed.

Shipped a small fix today that's worth writing up because the obvious version of it is wrong, and the wrong version is what almost every email-validation snippet online actually does. The setup A reader pointed out our waitlist form only checked that an email was shaped like an email — matched a re…

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  1. 2026-10-01 04:06 · DEV Community — AI
    Email Validation Has Three Right Answers, Not Two

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